ANALYTICAL MODEL OF INCIPIENT BREACHING OF COASTAL BARRIERS
Introduction - Kraus2_CEJ_030002
Breaching Process
Fig. 1. Mecox Pond, breached on morning of 14 February 1998;
Fig. 2. Pikes Inlet, New York, December 18, 1992, about 6 days after inception of breaching.
Fig. 3. Breach at south jetty of Grays Harbor, February 1994, 2 months after inception.
Fig. 4. Definition sketch for breaching model.
Analytical Model of Incipient Breaching
Solution for xe and ze → ∞
Solution with equilibrium
Sensitivity tests of morphologic breach model
Fig. 5. Solution of Eq. 4 for breach width, different values of initial breach depth.
Fig. 7. Growth of breach volume for fixed initial width and different initial depths corresponding TO Figs. 5 and 6.
Fig. 9. Solution of Eq. (5) for breach depth, different values of initial breach width.
Simulation for 1980 Breach at Moriches Inlet, New York
Fig. 12. Breach at Moriches Inlet, New York, September 21, 1980.
Fig. 13. Simulation of growth of breach width, Moriches Inlet.
Fig. 14. Simulation of growth of breach depth, Moriches Inlet.
Discussion and Conclusions - Kraus2_CEJ_030019
References - Kraus2_CEJ_030020
References cont'd - Kraus2_CEJ_030021
Kraus2_CEJ_03
Introduction - Kraus2_CEJ_030002
Breaching Process
Fig. 1. Mecox Pond, breached on morning of 14 February 1998;
Fig. 2. Pikes Inlet, New York, December 18, 1992, about 6 days after inception of breaching.
Fig. 3. Breach at south jetty of Grays Harbor, February 1994, 2 months after inception.
Fig. 4. Definition sketch for breaching model.
Analytical Model of Incipient Breaching
Solution for xe and ze → ∞
Solution with equilibrium
Sensitivity tests of morphologic breach model
Fig. 5. Solution of Eq. 4 for breach width, different values of initial breach depth.
Fig. 7. Growth of breach volume for fixed initial width and different initial depths corresponding TO Figs. 5 and 6.
Fig. 9. Solution of Eq. (5) for breach depth, different values of initial breach width.
Simulation for 1980 Breach at Moriches Inlet, New York
Fig. 12. Breach at Moriches Inlet, New York, September 21, 1980.
Fig. 13. Simulation of growth of breach width, Moriches Inlet.
Fig. 14. Simulation of growth of breach depth, Moriches Inlet.
Discussion and Conclusions - Kraus2_CEJ_030019
References - Kraus2_CEJ_030020
References cont'd - Kraus2_CEJ_030021
Kraus2_CEJ_03
